Dealing with multiple decades of hourly wind and PV time series in energy models: A comparison of methods to reduce time resolution and the planning implications of inter-annual variability
TLDR
In this article, the authors compare different methods to reduce time resolution of energy models to increase their computational tractability: downsampling, clustering, and heuristics, and show that the best method depends heavily on input data and the setup of model constraints.About:
This article is published in Applied Energy.The article was published on 2017-07-01 and is currently open access. It has received 245 citations till now. The article focuses on the topics: Wind power & Electric power system.read more
Citations
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Optimal design of multi-energy systems with seasonal storage
TL;DR: In this paper, the authors presented a mixed integer linear program methodologies that allow considering a year time horizon with hour resolution while significantly reducing the complexity of the optimization problem, thus allowing to correctly size the energy storage and to operate the system with a long-term policy.
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Response to 'Burden of proof': A comprehensive review of the feasibility of 100% renewable-electricity systems'
Tom Brown,Tom Brown,Tobias Bischof-Niemz,Kornelis Blok,Christian Breyer,Henrik Lund,Brian Vad Mathiesen +6 more
TL;DR: In this paper, the authors of the article "Burden of proof: a comprehensive review of the feasibility of 100% renewable-electricity systems" claim that many studies of 100 % renewable electricity systems do not demonstrate sufficient technical feasibility, according to the criteria of the authors (henceforth "the authors").
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PyPSA: Python for Power System Analysis
TL;DR: The basic functionality of PyPSA is described, including the formulation of the full power flow equations and the multi-period optimisation of operation and investment with linear power flow equation.
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Grid Integration Challenges of Wind Energy: A Review
TL;DR: The reported challenges caused by the integration of wind energy and the proposed solutions methodologies are reviewed and discussed and the solutions used and proposed to mitigate the impact of these challenges are discussed.
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The increasing impact of weather on electricity supply and demand
Iain Staffell,Stefan Pfenninger +1 more
TL;DR: In this article, the authors developed an open framework for quantifying the impacts of weather on electricity supply and demand using the Renewables.ninja and DESSTINEE models and demonstrated this using a case study of Britain using National Grid's Two Degrees scenario forwards to 2030.
References
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MERRA: NASA’s Modern-Era Retrospective Analysis for Research and Applications
Michele M. Rienecker,Max J. Suarez,Ronald Gelaro,Ricardo Todling,Julio T. Bacmeister,Julio T. Bacmeister,Emily Liu,Emily Liu,Michael G. Bosilovich,Siegfried D. Schubert,Lawrence L. Takacs,Lawrence L. Takacs,Gi-Kong Kim,S. C. Bloom,S. C. Bloom,Junye Chen,Junye Chen,Douglas Collins,Douglas Collins,Austin Conaty,Austin Conaty,Arlindo da Silva,Wei Gu,Wei Gu,Joanna Joiner,Randal D. Koster,Robert A. Lucchesi,Robert A. Lucchesi,Andrea Molod,Andrea Molod,Tommy Owens,Tommy Owens,Steven Pawson,Philip Pegion,Philip Pegion,Christopher R. Redder,Christopher R. Redder,Rolf H. Reichle,Franklin R. Robertson,Albert G. Ruddick,Albert G. Ruddick,Meta Sienkiewicz,Meta Sienkiewicz,John S. Woollen +43 more
TL;DR: The Modern-Era Retrospective Analysis for Research and Applications (MERRA) was undertaken by NASA's Global Modeling and Assimilation Office with two primary objectives: to place observations from NASA's Earth Observing System satellites into a climate context and to improve upon the hydrologic cycle represented in earlier generations of reanalyses as mentioned in this paper.
Journal Article
On comparing partitions
Marjan Cugmas,Anuška Ferligoj +1 more
TL;DR: In this paper, Hubert and Arabie corrected the Rand Index for chance (Adjusted Rand Index) and presented some alternative indices, which do not assume one set of units for two partitions.
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Information Theoretic Measures for Clusterings Comparison: Variants, Properties, Normalization and Correction for Chance
TL;DR: An organized study of information theoretic measures for clustering comparison, including several existing popular measures in the literature, as well as some newly proposed ones, and advocates the normalized information distance (NID) as a general measure of choice.
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Long-term patterns of European PV output using 30 years of validated hourly reanalysis and satellite data
Stefan Pfenninger,Iain Staffell +1 more
TL;DR: In this paper, the authors demonstrate how the MERRA and MERRA-2 global meteorological reanalyses as well as the Meteosat-based CM-SAF SARAH satellite dataset can be used to produce hourly PV simulations across Europe.
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Using bias-corrected reanalysis to simulate current and future wind power output
Iain Staffell,Stefan Pfenninger +1 more
TL;DR: In this article, the first international validation of reanalysis for wind energy, testing NASA's MERRA and MERRA-2 in 23 European countries, was reported, showing significant spatial bias, overestimating wind output by 50% in northwest Europe and underestimating by 30% in the Mediterranean.
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